Victoria’s regional rail network remains inactive following a nationwide telecommunications failure that occurred yesterday, leaving many commuters stranded. V/Line has announced that morning peak services today will continue to be disrupted, with only “very limited” replacement bus services available. Passengers are being urged to avoid traveling on V/Line services if possible.
A spokesperson for V/Line expressed appreciation for the patience of passengers during this challenging time, acknowledging the inconvenience caused as efforts are made to restore services safely. The telecommunications outage was attributed to a software flaw that led to synchronization issues within Telstra’s network.
Despite Telstra’s assurance that the problem was identified and resolved by 4 PM yesterday, V/Line services remained suspended overnight and into the morning. This situation resulted in commuters enduring lengthy waits for replacement buses at train stations, which were also affected by the telecommunications disruptions.
The Australian Rail Track Corporation (ARTC) informed V/Line that the ongoing reliability issues with Telstra’s telecommunications network meant it was not yet safe to resume train services. The standstill was caused by a failure of SIM cards that are crucial for communication between trains and the broader network, according to V/Line CEO William Tieppo. He noted that this issue primarily stems from a contract between ARTC and Telstra, through which V/Line obtains its services.
In 2024, V/Line transitioned its critical train communication systems to Telstra’s 4G network following the decommissioning of 3G services. Mr. Tieppo indicated that discussions with ARTC are underway to develop a long-term backup solution to mitigate problems like those experienced yesterday. He emphasized that this backup system would need to be considered at a national level rather than solely for Victoria.
The ABC has reached out to ARTC for additional comments regarding the situation. Mr. Tieppo elaborated on V/Line’s ongoing transition from analog to digital systems, highlighting the shift from older technologies like copper wiring to modern fiber and cloud-based solutions. He pointed out that the Metro Trains system employs a different radio communication system, which is why it was not impacted by the outage.
Hai Vu, a transport engineering professor at Monash University, noted that issues often arise when relying on outdated systems. He explained that over time, the rail system has been built on older technologies, which have been incrementally upgraded rather than redesigned for resilience. Maintaining the regional rail network poses unique challenges due to its expansive geographic reach, and he remarked that the urban metro system is likely more modern and cohesive.
Professor Vu emphasized that there is no reverting to pre-digital systems. He urged a focus on enhancing the robustness and resilience of these systems, asserting that moving away from reliance on technology would be impractical at this juncture. In May’s budget, the Victorian government allocated $1.3 billion towards upgrading the state’s rail infrastructure, which includes $318 million specifically for maintenance and safety enhancements on regional lines.
